Prosthetic implant support structure



FIG. 1 is a perspective view illustrating a prosthetic implant support structure of our new design;

FIG. 2 is a front end elevation view thereof; and,

FIG. 3 is a rear end elevation view thereof.

Broken lines appearing in the several views form no part of the claimed design. Unclaimed subject matter is shown in broken lines for the purpose of illustrating the environment in which the article embodying the design is used. 

CLAIM The ornamental design for a prosthetic implant support structure, as shown and described. 